#ifndef included_vlib_main_h
#define included_vlib_main_h
+#include <vppinfra/callback_data.h>
#include <vppinfra/elog.h>
#include <vppinfra/format.h>
#include <vppinfra/longjmp.h>
#include <vppinfra/pool.h>
#include <vppinfra/random_buffer.h>
#include <vppinfra/time.h>
-#include <vppinfra/pmc.h>
#include <vppinfra/pcap.h>
#include <pthread.h>
#define VLIB_ELOG_MAIN_LOOP 0
#endif
+typedef struct
+{
+ /* Trace RX pkts */
+ u8 pcap_rx_enable;
+ /* Trace TX pkts */
+ u8 pcap_tx_enable;
+ /* Trace drop pkts */
+ u8 pcap_drop_enable;
+ u8 pad1;
+ u32 max_bytes_per_pkt;
+ u32 pcap_sw_if_index;
+ pcap_main_t pcap_main;
+ u32 filter_classify_table_index;
+} vnet_pcap_t;
+
+typedef struct
+{
+ u8 trace_filter_enable;
+ u32 classify_table_index;
+} vlib_trace_filter_t;
+
+typedef enum
+{
+ VLIB_NODE_RUNTIME_PERF_BEFORE,
+ VLIB_NODE_RUNTIME_PERF_AFTER,
+ VLIB_NODE_RUNTIME_PERF_RESET,
+} vlib_node_runtime_perf_call_type_t;
+
+typedef struct
+{
+ struct vlib_main_t *vm;
+ vlib_node_runtime_t *node;
+ vlib_frame_t *frame;
+ uword packets;
+ u64 cpu_time_now;
+ vlib_node_runtime_perf_call_type_t call_type;
+} vlib_node_runtime_perf_callback_args_t;
+
+struct vlib_node_runtime_perf_callback_data_t;
+
+typedef void (*vlib_node_runtime_perf_callback_fp_t)
+ (struct vlib_node_runtime_perf_callback_data_t * data,
+ vlib_node_runtime_perf_callback_args_t * args);
+
+typedef struct vlib_node_runtime_perf_callback_data_t
+{
+ vlib_node_runtime_perf_callback_fp_t fp;
+ union
+ {
+ void *v;
+ u64 u;
+ } u[3];
+} vlib_node_runtime_perf_callback_data_t;
+
+clib_callback_data_typedef (vlib_node_runtime_perf_callback_set_t,
+ vlib_node_runtime_perf_callback_data_t);
+
typedef struct vlib_main_t
{
CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
/* Instruction level timing state. */
clib_time_t clib_time;
+ /* Offset from main thread time */
+ f64 time_offset;
+ f64 time_last_barrier_release;
/* Time stamp of last node dispatch. */
u64 cpu_time_last_node_dispatch;
u64 cpu_time_main_loop_start;
/* Incremented once for each main loop. */
- u32 main_loop_count;
+ volatile u32 main_loop_count;
/* Count of vectors processed this main loop. */
u32 main_loop_vectors_processed;
u32 main_loop_nodes_processed;
- /* Circular buffer of input node vector counts.
- Indexed by low bits of
- (main_loop_count >> VLIB_LOG2_INPUT_VECTORS_PER_MAIN_LOOP). */
- u32 vector_counts_per_main_loop[2];
- u32 node_counts_per_main_loop[2];
+ /* Internal node vectors, calls */
+ u64 internal_node_vectors;
+ u64 internal_node_calls;
+ u64 internal_node_vectors_last_clear;
+ u64 internal_node_calls_last_clear;
+
+ /* Instantaneous vector rate */
+ u32 internal_node_last_vectors_per_main_loop;
/* Main loop hw / sw performance counters */
- void (*vlib_node_runtime_perf_counter_cb) (struct vlib_main_t *,
- u64 *, u64 *);
+ vlib_node_runtime_perf_callback_set_t vlib_node_runtime_perf_callbacks;
+
+ /* dispatch wrapper function */
+ vlib_node_function_t *dispatch_wrapper_fn;
/* Every so often we switch to the next counter. */
#define VLIB_LOG2_MAIN_LOOPS_PER_STATS_UPDATE 7
/* Pcap dispatch trace main */
pcap_main_t dispatch_pcap_main;
uword dispatch_pcap_enable;
+ uword dispatch_pcap_postmortem;
+ u32 *dispatch_buffer_trace_nodes;
u8 *pcap_buffer;
+ /* pcap rx / tx tracing */
+ vnet_pcap_t pcap;
+
+ /* Packet trace capture filter */
+ vlib_trace_filter_t trace_filter;
+
/* Error handling. */
vlib_error_main_t error_main;
/* Event logger. */
elog_main_t elog_main;
+ u32 configured_elog_ring_size;
/* Event logger trace flags */
int elog_trace_api_messages;
u8 **argv;
/* Top of (worker) dispatch loop callback */
- volatile void (*worker_thread_main_loop_callback) (struct vlib_main_t *);
+ void (**volatile worker_thread_main_loop_callbacks)
+ (struct vlib_main_t *, u64 t);
+ void (**volatile worker_thread_main_loop_callback_tmp)
+ (struct vlib_main_t *, u64 t);
+ clib_spinlock_t worker_thread_main_loop_callback_lock;
/* debugging */
volatile int parked_at_barrier;
*/
int need_vlib_worker_thread_node_runtime_update;
+ /* Dispatch loop time accounting */
+ u64 loops_this_reporting_interval;
+ f64 loop_interval_end;
+ f64 loop_interval_start;
+ f64 loops_per_second;
+ f64 seconds_per_loop;
+ f64 damping_constant;
+
/*
* Barrier epoch - Set to current time, each time barrier_sync or
* barrier_release is called with zero recursion.
/* Earliest barrier can be closed again */
f64 barrier_no_close_before;
+ /* Barrier counter callback */
+ void (**volatile barrier_perf_callbacks)
+ (struct vlib_main_t *, u64 t, int leave);
+ void (**volatile barrier_perf_callbacks_tmp)
+ (struct vlib_main_t *, u64 t, int leave);
+
+ /* Need to check the frame queues */
+ volatile uword check_frame_queues;
+
/* RPC requests, main thread only */
uword *pending_rpc_requests;
uword *processing_rpc_requests;
clib_spinlock_t pending_rpc_lock;
+ /* buffer fault injector */
+ u32 buffer_alloc_success_seed;
+ f64 buffer_alloc_success_rate;
+
+#ifdef CLIB_SANITIZE_ADDR
+ /* address sanitizer stack save */
+ void *asan_stack_save;
+#endif
} vlib_main_t;
/* Global main structure. */
always_inline f64
vlib_time_now (vlib_main_t * vm)
{
- return clib_time_now (&vm->clib_time);
+#if CLIB_DEBUG > 0
+ extern __thread uword __os_thread_index;
+#endif
+ /*
+ * Make sure folks don't pass &vlib_global_main from a worker thread.
+ */
+ ASSERT (vm->thread_index == __os_thread_index);
+ return clib_time_now (&vm->clib_time) + vm->time_offset;
}
always_inline f64
vlib_panic_with_error (vm, 0);
}
-always_inline u32
-vlib_vector_input_stats_index (vlib_main_t * vm, word delta)
-{
- u32 i;
- i = vm->main_loop_count >> VLIB_LOG2_MAIN_LOOPS_PER_STATS_UPDATE;
- ASSERT (is_pow2 (ARRAY_LEN (vm->vector_counts_per_main_loop)));
- return (i + delta) & (ARRAY_LEN (vm->vector_counts_per_main_loop) - 1);
-}
-
-/* Estimate input rate based on previous
- 2^VLIB_LOG2_MAIN_LOOPS_PER_STATS_UPDATE
- samples. */
-always_inline u32
-vlib_last_vectors_per_main_loop (vlib_main_t * vm)
-{
- u32 i = vlib_vector_input_stats_index (vm, -1);
- u32 n = vm->vector_counts_per_main_loop[i];
- return n >> VLIB_LOG2_MAIN_LOOPS_PER_STATS_UPDATE;
-}
-/* Total ave vector count per iteration of main loop. */
always_inline f64
-vlib_last_vectors_per_main_loop_as_f64 (vlib_main_t * vm)
+vlib_internal_node_vector_rate (vlib_main_t * vm)
{
- u32 i = vlib_vector_input_stats_index (vm, -1);
- u32 v = vm->vector_counts_per_main_loop[i];
- return (f64) v / (f64) (1 << VLIB_LOG2_MAIN_LOOPS_PER_STATS_UPDATE);
+ u64 vectors;
+ u64 calls;
+
+ calls = vm->internal_node_calls - vm->internal_node_calls_last_clear;
+
+ if (PREDICT_FALSE (calls == 0))
+ return 0.0;
+
+ vectors = vm->internal_node_vectors - vm->internal_node_vectors_last_clear;
+
+ return (f64) vectors / (f64) calls;
}
-/* Total ave vectors/node count per iteration of main loop. */
-always_inline f64
-vlib_last_vector_length_per_node (vlib_main_t * vm)
+always_inline void
+vlib_clear_internal_node_vector_rate (vlib_main_t * vm)
{
- u32 i = vlib_vector_input_stats_index (vm, -1);
- u32 v = vm->vector_counts_per_main_loop[i];
- u32 n = vm->node_counts_per_main_loop[i];
- return n == 0 ? 0 : (f64) v / (f64) n;
+ vm->internal_node_calls_last_clear = vm->internal_node_calls;
+ vm->internal_node_vectors_last_clear = vm->internal_node_vectors;
}
-extern u32 wraps;
-
always_inline void
vlib_increment_main_loop_counter (vlib_main_t * vm)
{
- u32 i, c, n, v, is_wrap;
-
- c = vm->main_loop_count++;
-
- is_wrap = (c & pow2_mask (VLIB_LOG2_MAIN_LOOPS_PER_STATS_UPDATE)) == 0;
-
- if (is_wrap)
- wraps++;
-
- i = vlib_vector_input_stats_index (vm, /* delta */ is_wrap);
-
- v = is_wrap ? 0 : vm->vector_counts_per_main_loop[i];
- n = is_wrap ? 0 : vm->node_counts_per_main_loop[i];
-
- v += vm->main_loop_vectors_processed;
- n += vm->main_loop_nodes_processed;
- vm->main_loop_vectors_processed = 0;
- vm->main_loop_nodes_processed = 0;
- vm->vector_counts_per_main_loop[i] = v;
- vm->node_counts_per_main_loop[i] = n;
+ vm->main_loop_count++;
+ vm->internal_node_last_vectors_per_main_loop = 0;
if (PREDICT_FALSE (vm->main_loop_exit_now))
clib_longjmp (&vm->main_loop_exit, VLIB_MAIN_LOOP_EXIT_CLI);
}
+always_inline u32
+vlib_last_vectors_per_main_loop (vlib_main_t * vm)
+{
+ return vm->internal_node_last_vectors_per_main_loop;
+}
+
+always_inline void
+vlib_node_runtime_perf_counter (vlib_main_t * vm, vlib_node_runtime_t * node,
+ vlib_frame_t * frame, uword n, u64 t,
+ vlib_node_runtime_perf_call_type_t call_type)
+{
+ vlib_node_runtime_perf_callback_data_t *v =
+ clib_callback_data_check_and_get (&vm->vlib_node_runtime_perf_callbacks);
+ if (vec_len (v))
+ {
+ vlib_node_runtime_perf_callback_args_t args = {
+ .vm = vm,
+ .node = node,
+ .frame = frame,
+ .packets = n,
+ .cpu_time_now = t,
+ .call_type = call_type,
+ };
+ clib_callback_data_call_vec (v, &args);
+ }
+}
+
always_inline void vlib_set_queue_signal_callback
(vlib_main_t * vm, void (*fp) (vlib_main_t *))
{
#define VLIB_PCAP_MAJOR_VERSION 1
#define VLIB_PCAP_MINOR_VERSION 0
+typedef struct
+{
+ u8 *filename;
+ int enable;
+ int status;
+ int post_mortem;
+ u32 packets_to_capture;
+ u32 buffer_trace_node_index;
+ u32 buffer_traces_to_capture;
+} vlib_pcap_dispatch_trace_args_t;
+
+int vlib_pcap_dispatch_trace_configure (vlib_pcap_dispatch_trace_args_t *);
+vlib_main_t *vlib_get_main_not_inline (void);
+elog_main_t *vlib_get_elog_main_not_inline ();
+
#endif /* included_vlib_main_h */
/*
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